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METHOD FOR DETECTING NUCLEAR MATERIAL BY MEANS OF NEUTRON INTERROGATION, AND RELATED DETECTION SYSTEM
METHOD FOR DETECTING NUCLEAR MATERIAL BY MEANS OF NEUTRON INTERROGATION, AND RELATED DETECTION SYSTEM
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机译:中子探伤法检测核材料的方法及相关检测系统
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摘要
The invention relates to a method for detecting nuclear material in an examined object by means of neutron interrogation with a related particle tube, the method including the steps of: detecting coinciding pulses by means of detector pixels of at least one detector-pixel array; and detecting coinciding pulses leading to the formation of an event that is indicative of fission occurring in the nuclear material. The method further includes: searching for adjacent pixels from among the pixels that detected coinciding pulses; arranging the adjacent pixels into groups of adjacent pixels; counting the pixels and/or groups of adjacent pixels that detected coinciding pulses; and validating the occurrence of an event once at least three pixels and/or groups of adjacent pixels are counted.
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